baber/WOPTO huggingface dataset:
Patent GB-230924-A (GB)
Title: Improvements in or relating to gramophones and like sound reproducing instruments
IPC: G10K13/00
Filed: 1923-12-20
Abstract: 230,924. Roberts, S. C. H. Dec. 20, 1923. Cases with internal horns; horns, arranging and supporting. - A multiple-amplifier sound-reproducing instrument has at the end of the tone-arm a T-branch 3 similarto that described in Specification 227,904, the outlets 4, 5 of which are connected to T- pieces 6, 7 connected to amplifiers 8 - - 11. Instead of a T-branch, an angle-piece or a multiple branch may be provided, each branch of which is provided with a T-piece for connection to amplifiers. Also the T-pieces may be connected to further T-pieces connected to amplifiers. Each T-piece is provided with a wedge-shaped member 12 to deflect the sound equally in opposite directions along its branches.
Patent GB-1158980-A (GB)
Title: A Process for preparing a Novel Thermoplastic Rubber and a novel Thermoplastic Rubber
Inventor: LUIJK PIETER
IPC: C08K5/04
Filed: 1968-07-04
Abstract: 1,158,980. Polyisoprene-maleic anhydride reaction products. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 4 July, 1968, No. 31986/68. Heading C3P. A thermoplastic rubber is prepared by reacting polyisoprene with maleic anhydride in an amount of from 0À1 to 20% by weight, calculated on the weight of polyisoprene, "in the absence of water" and without effecting any vulcanization, and contacting the reaction product with at least one salt of a divalent metal of the Groups II and IV of the Periodic Table of the elements, with a saturated or unsaturated fatty acid contaming 10 to 20 carbon atoms, and/or with compounds from which this divalent metal salt may be formed during their contact with the polyisoprene-maleic anhydride reaction product, the divalent metal salt or a divalent metalcontaining precursor thereof being present in an amount equivalent to 0À1 to 50 moles of divalent metal per mole of bound maleic anhydride. The expression "in the absence of water" connotes water in an amount less than that which would be necessary to convert the total amount of maleic anhydride used for reacting with polyisoprene into maleic acid. The polyisoprene-maleic anhydride adduct may be contacted with magnesium, calcium, zinc or lead stearate or oleate. Alternatively, the metal oxide, acetate, carbonate or oxalate may be used in association with 1-20% by weight, calculated on the weight of polyisoprene, of stearic or oleic acid. Similar amounts of the amides of these acids may additionally be incorporated together with conventional ingredients.
Patent GB-1026874-A (GB)
Title: Improvements in the production of stainless steel castings and in articles produced therefrom
Inventor: DAWSON DAVID WHITFIELD OUTRAM
IPC: C22C38/42
Filed: 1961-09-06
Abstract: A corrosion resistant martensitic steel casting consists of:- .Cr.15-18% .Ni.3-5% .Cu.greater than 0.4-0.98% .C.0.03-0.07% .Mo.up to 0.3% .Nb.up to 0.2% .Mn.up to 1% .Si.up to 1% .S.up to 0.05% .P.up to 0.05% the balance, apart from impurities, being iron.  The casting may be heat-treated as follows:-  Solution annealed at 1000 DEG -1050 DEG C., air cooled, hardened at 450 DEG -47 DEG C.,air cooled tempered at 520 DEG -560 DEG C. followed by a final air cooling.
Patent GB-366022-A (GB)
Title: Manufacture of acetic acid
IPC: C07C51/235
Filed: 1930-10-27
Abstract: In the oxidation of liquid acetaldehyde to acetic acid the gases or vapours leaving the reaction vessel are scrubbed with a liquid, and the scrubbings passed to the reaction liquor. Preferably the scrubbing is effected continuously during the oxidation, e.g. by means of a condenser, scrubbing tower, or the like through which the scrubbing liquor flows and arranged so that the scrubbing liquor flows therefrom into the vapour space above the liquid in the reaction vessel.  Several such scrubbing vessels may be employed, arranged for instance in series, in which case the scrubbing liquid may be passed successively through the vessels of the series.  Any liquid which does not deleteriously affect the oxidation may be used for the scrubbing, but it is preferred to use acetic acid, particularly glacial acetic acid or a reaction liquor containing acetic acid, particularly a liquor containing 40-50 per cent of acetic acid.  The acetaldehyde to be oxidized need not be pure, e.g. mixtures of acetaldehyde and acetic acid may be treated, but the aldehyde should be as free as possible from water.  The oxygen may be pure or admixed with inert gases, as in air, and is preferably introduced into the reaction liquid in the form of fine bubbles, this finely divided state being further promoted by agitation of the liquid.  The reaction liquor may contain any catalyst capable of promoting the oxidation of aldehyde to acetic acid, e.g. manganese compounds such as manganous acetate, uranium dioxide, ferric oxide, ferric acetate, chromium sesquioxide, or vanadium pentoxide, or the catalysts described in Specifications 154,304 and 154,680, [both in Class 2 (iii), Dyes &c.], i.e. china clay or kaolin, or the residue which remains after igniting animal charcoal, or mixtures thereof with sodium acetate.  The oxidation may be performed under ordinary or raised pressures, for example 20-40 pounds per square inch, or more, the use of raised pressure being especially useful in cases where air or other gaseous mixture containing oxygen is employed. The temperature may be between 0 DEG  and 50 DEG  C., low temperatures up to 20 DEG  C. being useful when oxygen is employed, while with air or like mixtures temperatures between 20 DEG  and 50 DEG  C. are employed. During the initial stages, and intermittently throughout the reaction, the vapour space or the reaction space or both may be cooled to low temperatures, e.g. 0-5 DEG  C., and the scrubbing vessels are preferably provided with water or brine cooling.  Any aldehyde escaping condensation may be covered e.g. by subjecting the gases to scrubbing with acetic acid, water, or the like.  In the example, the oxidation is effected in an aluminium vessel, and the vapours are scrubbed with glacial acetic acid, which passes to the reaction vessel.
Patent GB-1308555-A (GB)
Title: Commutators for dynamo-electric machines
IPC: H01R43/08
Filed: 1970-07-03
Abstract: 1308555 Commutators for dynamo-electric machines ROBERT BOSCH GmbH 3 July 1970 [5 July 1969] 32310/70 Heading H2A [Also in Division B3] A method of making a commutator segment ring 22, comprises extruding a plurality of metal blanks 10, 11, one of which is of copper, to form a ring having an outer layer of copper and an inner layer having means for anchoring the ring to a hub of insulating material, the layers being jointed to each other along their contact surfaces during extrusion. The blanks are made from bars by cold extrusion and/or stamping or cut from tubes and are provided with mating conical surfaces 10a, 11a. The blanks are placed in a die 13 and extruded by an inner die 17, which forms axially extending grooves internally of the ring 22. The blank 10, which is of aluminium is formed with a collar 24 and a copper contact surface 25 is formed by the blank 11. The hub (27) is then inserted in the ring, Fig. 5 (not shown), which is sawn to form the individual commutator segments (29) and connecting lugs (30).
Patent GB-1206908-A (GB)
Title: A method of coating synthetic thermoplastic materials
IPC: C03C1/00
Filed: 1969-06-26
Abstract: 1,206,908. Protective films for lenses. LEYBOLD-HERAEUS-VERWALTUNG. June 26, 1969 [July 11, 1968] ,  No.32480/69. Heading G2J. [Also in Division C7] An optical component comprises a synthetic transparent thermoplastic base coated by vapour deposition with a glass comprising B 2 O 3  and Si0 2 , the coating being produced by melting particles of the tow components of size < 50 Á in vacuo and directing a jet of the vapour against the base, preferably at substantially 90 degrees to the surface thereof, the glass having from 0% to not more than 5% of any Na 2 O component and having its B 2 O 3  content adjusted to adapt the co-efficient of expansion thereof to that of the base material so that formation of hairline cracks is avoided when the component is subjected to temperature changes.
Patent GB-392840-A (GB)
Title: Improvements in or relating to cooling apparatus for reciprocating pistons
IPC: F01P3/10
Filed: 1932-11-17
Abstract: 392,840. Pistons. SULZER FR’RES SOC. ANON., Winterthur, Switzerland. Nov. 17, 1932, No. 32532. Convention date, Nov. 30, 1931. [Class 122 (i).] Apparatus for cooling reciprocating pistons of the kind in which the cooling medium is delivered from a fixed jet as a stream into a delivery pipe which moves with the piston and communicates with the interior thereof, is arranged so that the cooling medium is delivered from the fixed jet into a receiving nozzle fixed close thereto so that the liquid stream takes up air at the nozzle. A delivery pipe i terminates in a jet member k which is immediately above a receiving nozzle l, there being side inlets l<1> for the admission of air. The receiving nozzle l is secured to a fixed pipe m which leads into a pipe n which slides over it as a result of its reciprocation by reason of its attachment to the crosshead d. Cooling water passes to spaces in the piston b and returns through a central pipe o which has a telescopic connection with another pipe fixed to the engine casing.
Patent GB-1002106-A (GB)
Title: Process for production of ultra clean steel
IPC: C22B4/00
Filed: 1962-08-24
Abstract: Steel low in inclusions is produced from iron powder containing not more than 0.01% each of sulphur and phosphorus by forming the powder into a consumable electrode, melting in a furnace at a pressure not exceeding 1000 microns, the molten metal being collected in a water-cooled metal crucible, and using the resultant ingot as a consumable electrode in a second melting stage carried out at a pressure not exceeding 100 microns. Sufficient carbon is present in the initial mixture, either as a constituent of the iron or added thereto, to convert all the oxygen present to carbon monoxide and to provide the desired carbon content in the product; altenatively the required carbon content may be obtained by mixing appropriate amounts of powders of differing carbon content.  Should the iron powder contain an undesired excess of carbon this may be eliminated by adding a controlled amount of iron oxide to the starting mixture. Alloying additions such as nickel, molybdenum, cobalt, manganese, vanadium, silicon and chromium may be added in powder form to the iron powder, while aluminium and titanium are preferably added by inserting them in holes drilled in the electrode of the second stage melting.  Sulphur may be removed from the iron powder by annealing in wet hydrogen (e.g. saturated with water vapour at 150 DEG F.) at 1500-1700 DEG F. for 2-4 hours; this may be followed by annealing in dry hydrogen at 1500-1750 DEG F. for 2-4 hours to partially eliminate oxygen.  The electrode may be formed from the initial powder by pressing at 40000-50000 p.s.i. followed by vacuum sintering at 1750 DEG F. under a pressure of 1-500 microns, or by sintering in an inert atmosphere at temperatures up to 2200 DEG F.
Patent GB-409238-A (GB)
Title: Manufacture of oxyethylated (ª†-alkoxy-ª‰- oxypropyl)-aminobenzenes
Filed: 1933-11-22
Abstract: 409,238. Ethers of aminoalcohols. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. Nov. 22, 1933, No. 32639. Convention date, Feb. 15. Addition to 409,237. [Class 2 (iii).] Oxyethylated gamma-alkoxy-#-oxypropylaminobenzenes, of the general formula where R represents phenyl or substituted phenyl and R<1> represents alkyl, are manufactured by treating a gamma-alkyl ether of a #-gamma-dioxypropylaminobenzene with ethylene oxide or a raised temperature and under pressure. The products are intermediates for the manufacture of dyestuffs. Examples describe the preparation of (1) oxyethyl- (gamma-methoxy-#-oxypropyl)-aniline from gammamethoxy-#-oxypropylaniline ; (2) 1-methyl-3- (y - ethoxy - # -oxypropyl - oxyethylamino) - benzene from 1 - methyl - 3 - (y - ethoxy - # - oxy - propylamino)-benzene ; and (3) 1-methyl-4- methoxy-3-(gamma-methoxy-#-oxypropyl-oxyethylamino)-benzene from 1-methyl-4-methoxy-3- (y - methoxy - # - oxypropylamino) - benzene, in each case by treating with ethylene oxide to 150-160‹ C. under pressure and distilling the product in vacuo.
Patent GB-1039867-A (GB)
Title: Process and apparatus for the manufacture of foamed glass
Inventor: SCHULZ ERNST OTTO
IPC: C03B19/08
Filed: 1963-08-19
Abstract: Foamed glass is made by sintering in a mould a mass of powdered glass containing at least 0.45% by weight SO3 as foaming agent in a first heating zone at the temperature at which maximum foaming occurs until the mould is filled to 80% of the desired volume, conveying the mould to a second heating zone where the temperature is gradually reduced to and maintained at that temperature at which the foamed mass becomes semi-solid and the foaming ceases.  The period of temperature reduction is sufficient for the foaming action to compensate for the volumetric contraction of the outer parts of the foamed mass on cooling and for the filling of the mould to be completed, which occurs at the same instant as the cessation of foaming and the change to a semi-solid mass.  SO3 is the only oxidizing agent present. The process may be performed in a tunnel kiln with a heating chamber extending the length of the kiln, between the two heating zones being a waste-gas flue in which hot gases are controllably conveyed to the moulds in the first and/or second heating zone.
Patent GB-1093296-A (GB)
Title: Display stand
IPC: A47F5/13
Filed: 1966-07-21
Abstract: 1,093,296. Display stands. B. J. JACK (L. J. Fisher). July 21, 1966, No. 32799/66. Headings A4B and A4U. A wire cell for supporting shelves comprises parallel top and bottom rectangular frames 10, 12 joined together by corner posts 14 which project above and outside the upper frame so that a plurality of cells can be stacked one above another. Superposed frames may be secured together by clips (20) or adhesive tape. Each cell may be divided into halves by dividing the posts, and the halves are connected together by sockets (30, Fig. 2) on the ends of the posts on the lower frame. Shelves may extend between stacks of cells. Planks may form bases, sides and partitions for the cells.
Patent GB-637345-A (GB)
Title: Improvements relating to adjustable windows
IPC: E05F11/38
Filed: 1947-12-13
Abstract: 637,345. Windows. DUTFIELD, A. E., RAWLINGS, E. J., and- RAWLINGS MANUFACTURING CO., Ltd. Dec. 13, 1947, No. 32925. [Class 20 (iii)] In a window construction in which a movable portion 3 is counter-balanced by spring-controlled rollers 8 movable with the pane 3 on bars or rails 10 within the well 7, the vertical side channels 2 are in two parts separated by a gap, which may be bridged by a felt lining, and the upper part is pivoted to a top bracket 16, allowing the pane when fully raised to be tilted and slightly lowered to cause a catch piece 18 to rest upon a fence plate 19 on the frame. The upper ends of the rails 10 are attached to a garnish rail 6 and their lower ends to a bar 12 removably fitting in recesses in or between jaws or brackets on vertical pillars of the main structure. To enable the rollers to tilt correspondingly with their carrier arms 20 and brackets 21, the brackets are mounted on hinge pins 22 carried on the pane edging strip 17. The pane handle 5 comprises a split tubular portion 25 embracing a flange 24 of the upper edging strip 4 and slidable along it for locating where desired.
Patent GB-524072-A (GB)
Title: A new or improved method of and means for testing by comparison metals and other heat and electricity conducting materials
IPC: G01N27/00
Filed: 1939-12-28
Abstract: 524,072. Thermal Instruments ; physical qualities, determining. ZUBKO, J. Dec. 28, 1939, No. 32965. [Class 37] Any difference in the composition of a conducting material to be tested as compared with a standard is detected by connecting one end of the standard piece to one end of the test piece through a galvanometer, forming a thermocouple by applying a heated piece of conducting material to the opposite ends of the standard and test pieces, and observing the effect on the galvanometer. A test piece b, for example, a bolt, and a standard piece a cut out of the metal of which the bolt is made are mounted on fixed supports on a base k. A bridge piece e is built into a housing l filled with insulating material, the whole forming a heater which is mounted on feet m formed of spring strips fixed to the base k. A hand crank n mounted on a bracket o has spring steel uprights p engaging a projection q on the heater so that rotation of the crank rocks the heater into or out of contact with the standard and test pieces, the springs p permitting variation of the applied pressure. Alternatively the heater may be stationary and the supports movable, or both may be movable towards or away from each other. The bridge piece e is heated by a resistance connected to leads + -, and its temperature is measured by including in it a thermocouple connected by wires h to an indicating , instrument i. A second indicating instrument d is connected between the test piece b and the standard piece a by wires c. The instruments d, i may be mounted on a rear board r.
Patent GB-845599-A (GB)
Title: Improvements in the packaging of fragile articles
Inventor: WASHINGTON HAROLD
IPC: B65D5/50
Filed: 1957-10-23
Abstract: 845,599. Cartons. WASHINGTON BOX Ltd. Oct. 15, 1958 [Oct. 23, 1957], No. 33034/57. Class 18. A cushioning device for a carton is folded from the blank shown in Fig. 1 to form the shape shown in Fig. 2, the adjacent edges b, c of the blank being free to move relative to the part A. The blank may be extended to form the device shown in Fig. 5, which may be made from a single blank or from two blanks joined at opposite corners. The device may be assembled in a carton as shown in Fig. 8, or as shown in Fig. 9 in which super-posed devices C are arranged one upon another around a tube E the whole then being enclosed in a carton D. For packing heavy objects, a resilient tube may be placed inside the triangular corrugations B, C, Fig. 2.
Patent GB-319338-A (GB)
Title: A system of elastic suspension, specially adapted for motor vehicles
IPC: B60G15/06
Filed: 1928-11-14
Abstract: 319,338. Fiat Soc. Anon. Sept. 22, 1928, [Convention date]. Springs, arrangement of; guiding vertical play. -An elastic suspension for the steering-wheels of a motor vehicle comprises in combination an ordinary leaf spring suspension 2 between the main axle 1 and the chassis and an auxiliary combined metallic spring and hydraulic suspension between the main axle and stub-axle 3. In the construction shown the forked end or brackets 3<a> of the stub-axles 3 are. secured to cylindrical members 3 adapted to slide and pivot on the exterior of sleeve members 9 which serve as sockets to receive the pivot pins 4, the latter being keyed to the main axle 1 by cotters 4<a> and made hollow so as to place the upper and lower cylinders 8 in communication. The cylinders 8 and hollow pivots 4 are filled with oil, glycerine or similar liquid, while the ends of the pivot pins are provided with perforated washers 11 so that the system forms an hydraulic vibration damper. At their lower ends the brackets 3<a> are fitted with rotatable collars 7 carrying shackles 6, Fig. 2, to which are attached the ends of leaf springs 5 supported centrally on the axle 1. In a modification, the leaf springs 5 are replaced by spiral springs disposed between the axle 1 and brackets 3a.
Patent GB-782724-A (GB)
Title: Lubricated fiber strands
Inventor: O'NEIL JOHN BERNARD
IPC: D06M11/79
Filed: 1955-11-22
Abstract: Fibre strands, e.g. for cordage, are lubricated with a composition comprising an organic textile lubricant and 0.5-15 per cent by weight of an organophilic clay.  The clay is retained at the fibre surface, and part of the lubricant is absorbed into the clay and part is soaked into the body of the fibres.  The organophilic clay is a base-exchange clay that has been treated with an organic surface-active agent to convert its normally hydrophilic properties to organophilic, e.g. sodium-, potassium-, lithium- or magneisum-bentonite, saponite, nontronite or attapulgite treated with an "onium" compound, e.g. a tetra-alkyl quaternary ammonium salt. The textile lubricant may be naphtha, tallow, naphthenic oils, aromatic oils, paraffinic oils, polyalkylene oxide ether oils or silicone oils.  The composition may also include copper-8-quinolate or other copper or zinc preservative.  The fibres may be composed of manilla and the lubricant may be applied before or during spinning and doubling. Specification 664,830, [Group III], is referred to.ALSO:Fibre strands, e.g. for cordage, are lubricated before or during spinning with a composition comprising an organic textile lubricant and 0.5-15 per cent by weight of an organophilic clay. The latter is a base-exchange clay that has been treated with an organic surface-active agent to convert its normally hydrophilic properties to organophilic, e.g. sodium-, potassium-, lithium- or magnesium-bentonite, saponite, nontronite or attapulgite treated with an amine or an "onium" compound, e.g. a tetraalkyl quaternary ammonium salt.  The textile lubricant may be naphtha, tallow, naphthenic oils, aromatic oils, paraffinic oils, polyalkylene oxide ether oils or silicone oils.  The composition may also include copper-8-quinolinolate or other copper or zinc preservative. Specification 664,830 is referred to.
Patent GB-1109632-A (GB)
Title: Treatment of effluents prior to discharge to the atmosphere
Inventor: SEMMENS PETER WILLIAM BRETT
IPC: B01D53/34
Filed: 1964-08-17
Abstract: Gaseous effluents, containing small concentrations of finely divided solids such as ammonium salts, are treated prior to their discharge into the atmosphere by feeding them into the air intake of a gas turbine engine, together with sufficient fuel and air to ensure conversion of the solids into combustion products.  The turbine may be of the axial flow type, and may be run on zero net power output or alternatively may generate power which is used to suck the effluent into the intake or to blow the combustion products away or to drive an electrical generator.